Home / 191,066.90-286,606.73-85,886.18

Finding the Fourth Proportional to 191,066.90, 286,606.73 and 85,886.18

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Solution

The fourth proportional to 191,066.90, 286,606.73 and 85,886.18 is: 128,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,066.90 : 286,606.73 = 85,886.18 : x
  2. Step 2: Convert to fraction form
    191,066.90/286,606.73 = 85,886.18/x
  3. Step 3: Cross multiply
    191,066.90x = 286,606.73 × 85,886.18
  4. Step 4: Simplify right side
    191,066.90x = 24,615,555,339.53
  5. Step 5: Solve for x
    x = 24,615,555,339.53/191,066.90
  6. Step 6: Final answer
    x = 128,832.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.